说明：  This standard documents a communications protocol that was developed and is wholly owned by ADEMCO Group, a division of Pittway Corporation. It is published by the Security Industry Association (SIA) as a de facto security industry standard. It is intended to facilitate product compatibility and interchangeability, to reduce misunderstandings between manufacturers and purchasers, and to assist purchasers in obtaining the proper products to fulfill their particular needs.
(This standard documents a communications protocol that was developed and is wholly owned by ADEMCO Group, a division of Pittway Corporation. It is published by the Security Industry Association (SIA) as a de facto security industry standard. It is intended to facilitate product compatibility and interchangeability, to reduce misunderstandings between manufacturers and purchasers, and to assist purchasers in obtaining the proper products to fulfill their particular needs.)